roll bar 英[rəul bɑ2113ːr]美[rol bɑr] (汽车顶盖上的)翻车保护杆5261 例句及用法: 1、and i found something similar on the roll bar,as well. 在下拉4102杆上我发现了一些类似的痕迹。1653 2、the white car cost over£1,000,has full hampshire constabulary livery and a roll ... 20210311
export 英[ˈekspɔ:t] 美[ˈekspɔ:rt] vt. 口,输出; vt. ,输思想或活动); n. 输出,出口; 输出[出口]物; 用法参考如下:[例句]the nation also exports beef.该国也出口牛肉。he did th** to promote american exports.他这么做是为了推广美...